<template>
  <div class="app-container">
    <upload-excel-component :on-success="handleSuccess" :before-upload="beforeUpload" />
    <el-table :data="tableData" border highlight-current-row style="width: 100%;margin-top:20px;">
      <el-table-column v-for="item of tableHeader" :key="item" :prop="item" :label="item" />
    </el-table>
  </div>
</template>

<script>
import UploadExcelComponent from '@/components/UploadExcel/index.vue'
import { importEmployee } from '@/api/employees'
import { formatExcelDate } from '@/utils/index.js' 

export default {
  name: 'UploadExcel',
  components: { UploadExcelComponent },
  data() {
    return {
      tableData: [],
      tableHeader: []
    }
  },
  methods: {
    beforeUpload(file) {
      const isLt1M = file.size / 1024 / 1024 < 1

      if (isLt1M) {
        return true
      }

      this.$message({
        message: 'Please do not upload files larger than 1m in size.',
        type: 'warning'
      })
      return false
    },
    handleSuccess({ results, header }) {
      this.tableData = results
      this.tableHeader = header
      console.log('results', results)
      console.log('header', header)
      const data = this.dataFormat(results)
      this.doAdd(data)
      console.log(data, 'data')
    },
    dataFormat(data){
      // 1. 映射对象，根据映射对象找英文的键
        const mapInfo = {
                '入职日期': 'timeOfEntry',
                '手机号': 'mobile',
                '姓名': 'username',
                '转正日期': 'correctionTime',
                '工号': 'workNumber',
                '部门': 'departmentName',
                '聘用形式': 'formOfEmployment'
            }
            //2.遍历数组取出一个个的对象,获取到中文的key
              const result = data.map(zhObj=>{
              const enObj = {}
              const zhkeys = Object.keys(zhObj) //['入职日期','姓名','工号','手机号','转正日期','部门']
              zhkeys.forEach(zhkey => {
               const enkey = mapInfo[zhkey]
               if (enkey === 'timeOfEntry' || enkey === 'correctionTime') {
                console.log(zhObj[zhkey])
                 enObj[enkey] = new Date(formatExcelDate(zhObj[zhkey]))
                 } else {
                  enObj[enkey] = zhObj[zhkey]
             }
            })
              return enObj
            })
            return result
    },
    //批量导入数据
   async doAdd(data){
         try {
        const res = await importEmployee(data)
        console.log('importEmployee', res)
        this.$router.back()
         } catch (error) {
            console.log('importEmployee', error)
         }
    }
  }
}
</script>
